Specify alternatives for DataFrame.columns and fix copyrights.

rapidsai · Feb 22, 2022 · ccb08a1 · ccb08a1
1 parent 68bb602
commit ccb08a1
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Showing 3 changed files with 7 additions and 3 deletions.
diff --git a/python/cudf/cudf/core/_internals/where.py b/python/cudf/cudf/core/_internals/where.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2021, NVIDIA CORPORATION.
+# Copyright (c) 2021-2022, NVIDIA CORPORATION.
 
 import warnings
 from typing import Any, Optional, Tuple, Union, cast

diff --git a/python/cudf/cudf/core/dataframe.py b/python/cudf/cudf/core/dataframe.py
@@ -2164,7 +2164,11 @@ def at(self):
         return self.loc
 
     @property  # type: ignore
-    @_external_only_api
+    @_external_only_api(
+        "Use _column_names instead, or _data.to_pandas_index() if a pandas "
+        "index is absolutely necessary. For checking if the columns are a "
+        "MultiIndex, use _data.multiindex."
+    )
     @annotate("DATAFRAME_COLUMNS_GETTER", color="yellow", domain="cudf_python")
     def columns(self):
         """Returns a tuple of columns"""

diff --git a/python/cudf/cudf/core/reshape.py b/python/cudf/cudf/core/reshape.py
@@ -1,4 +1,4 @@
-# Copyright (c) 2018-2021, NVIDIA CORPORATION.
+# Copyright (c) 2018-2022, NVIDIA CORPORATION.
 
 import itertools
 from typing import Dict, Optional